Datasheet Texas Instruments 5962-9326501V2A — Datenblatt

Hersteller	Texas Instruments
Serie	UC1832-SP
Artikelnummer	5962-9326501V2A

Präzisions-Linearregler mit geringem Ausfall 20-LCCC -55 bis 125

Datenblätter

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PDF, 1.6 Mb, Revision: A, Datei veröffentlicht: Jun 3, 2003

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UC1832
UC2832/3
UC3832/3 Precision Low Dropout Linear Controllers
FEATURES DESCRIPTION Precision 1% Reference Over-Current Sense Threshold
Accurate to 5% Programmable Duty-Ratio
Over-Current Protection 4.5 V to 36 V Operation 100mA Output Drive, Source, or
Sink Under-Voltage Lockout The UC2832 and UC3833 series of precision linear regulators include all the
control functions required in the design of very low dropout linear regulators.
Additionally, they feature an innovative duty-ratio current limiting technique
which provides peak load capability while limiting the average power dissipation of the external pass transistor during fault conditions. When the load current reaches an accurately programmed threshold, a gated-astable timer is
enabled, which switches the regulatorвЂ™s pass device off and on at an externally
programmable duty-ratio. During the on-time of the pass element, the output
current is limited to a value slightly higher than the trip threshold of the duty-ratio timer. The constant-current-limit is programmable on the UCx832 to allow
higher peak current during the on-time of the pass device. With duty-ratio control, high initial load demands and short circuit protection may both be accommodated without extra heat sinking or foldback current limiting. Additionally, if
the timer pin is grounded, the duty-ratio timer is disabled, and the IC operates
in constant-voltage/constant-current regulating mode. Additional Features of the UC2832
series: Adjustable Current Limit to
Current Sense Ratio Separate +VIN terminal Programmable Driver Current
Limit Access to VREF and E/A(+) Logic-Level Disable Input These ICвЂ™s include a 2 Volt (В±1%) reference, error amplifier, UVLO, and a high
current driver that has both source and sink outputs, allowing the use of either
NPN or PNP external pass transistors. Safe operation is assured by the inclusion of under-voltage lockout (UVLO) and thermal shutdown.
The UC3833 family includes the basic functions of this design in a low-cost, 8pin mini-dip package, while the UC2832 series provides added versatility with
the availability of 14 pins. Packaging options include plastic (N suffix), or ceramic (J suffix). Specified operating temperature ranges are: commercial (0В°C …

Status

Lifecycle Status	Active (Recommended for new designs)
Manufacture's Sample Availability	No

Verpackung

Pin	20	20	20	20
Package Type	FK	FK	FK	FK
Industry STD Term	LCCC	LCCC	LCCC	LCCC
JEDEC Code	S-CQCC-N	S-CQCC-N	S-CQCC-N	S-CQCC-N
Package QTY	1	1	1	1
Carrier	TUBE	TUBE	TUBE	TUBE
Device Marking	QMLV	UC1832L	9326501V2A	5962-
Width (mm)	8.89	8.89	8.89	8.89
Length (mm)	8.89	8.89	8.89	8.89
Thickness (mm)	1.83	1.83	1.83	1.83
Pitch (mm)	1.27	1.27	1.27	1.27
Max Height (mm)	2.03	2.03	2.03	2.03
Mechanical Data	Herunterladen	Herunterladen	Herunterladen	Herunterladen

Parameter

Accuracy	5 %
Additional Features	Thermal Shutdown
Fixed Output Options	2 V
Iout(Max)	0.45 A
Iq(Typ)	3.3 mA
Operating Temperature Range	-55 to 125 C
Output Options	Fixed Output
PSRR @ 100KHz	90 dB
Package Group	LCCC
Package Size: mm2:W x L	20LCCC: 79 mm2: 8.89 x 8.89(LCCC) PKG
Rating	Space
Vin(Max)	40 V
Vin(Min)	4.5 V
Vout(Max)	2.02 V
Vout(Min)	1.98 V

Öko-Plan

RoHS	See ti.com

Anwendungshinweise

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PDF, 785 Kb, Revision: A, Datei veröffentlicht: Aug 9, 2017
Thisapplicationreportexplainsthe differencebetweennoiseand PSRRof an LDO.It also explainsthedifferentwaysnoiseis specifiedin LDOdatasheetsandwhichspecificationshouldbe usedin theapplication.Finallyit explainshow LDOnoiseis reduced.
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LDO PSRR Measurement Simplified (Rev. A)
PDF, 131 Kb, Revision: A, Datei veröffentlicht: Aug 9, 2017
This applicationreportexplainsdifferentmethodsof measuringthe PowerSupplyRejectionRatio(PSRR)of a Low-Dropout(LDO)regulatorand includesthe prosand consof thesemeasuringmethods

Modellreihe

Serie: UC1832-SP (2)

5962-9326501V2A 5962-9326501VCA

Herstellerklassifikation

Semiconductors > Space & High Reliability > Power Management Products > Linear Regulators (LDO)

Andere Namen:

59629326501V2A, 5962 9326501V2A